Home / 4,307,581.80-6,461,315.10-1,315,780.20

Finding the Fourth Proportional to 4,307,581.80, 6,461,315.10 and 1,315,780.20

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Solution

The fourth proportional to 4,307,581.80, 6,461,315.10 and 1,315,780.20 is: 1,973,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307,581.80 : 6,461,315.10 = 1,315,780.20 : x
  2. Step 2: Convert to fraction form
    4,307,581.80/6,461,315.10 = 1,315,780.20/x
  3. Step 3: Cross multiply
    4,307,581.80x = 6,461,315.10 × 1,315,780.20
  4. Step 4: Simplify right side
    4,307,581.80x = 8,501,670,474,541.02
  5. Step 5: Solve for x
    x = 8,501,670,474,541.02/4,307,581.80
  6. Step 6: Final answer
    x = 1,973,652.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.